Why is the chemical reaction of urine usually acidic? Why is glacial acetic acid designated as glacial? Why is it necessary to shake an oil and vinegar salad dressing before adding it to a salad? (Hint: Vinegar
Why is milk a colloid? Explain. Why does chlorobenzoic acid have a lower freezing point than benzoic acid? Explain. Why are cholesteric liquid crystals coloured? Why does the surface of water in a glass test tube curve upward at the edges? Why is SeO42- called selenate? Explain why ionic...
What is the conical, pendulum ? Why is it called so ? 03:40 How are metals used as semiconductors refined ? What is the principle ... 01:33 Where does a body weigh more – at the surface of the earth or in a min... 02:32 Why it is more difficult to rotate a stone by tieing...
Sequential 1:2 peptide dilutions were dispensed into sterile polypropylene 96-well plates (Greiner, Frickenhausen, Germany) with MHB medium that contained 0.2% (w/v) bovine serum albumin (BSA) and 0.02% glacial acetic acid, resulting in a final peptide concentration range of 0.1–100 µ...
Step-by-Step Solution:1. Definition of Parking Orbit: A parking orbit is a temporary orbit where a satellite is placed after launch and before it is moved to its final operational orbit. It serves as a waiting
What is the purpose of adding a small volume, e.g 1ml of glacial acetic acid in the mobile phase during HPLC analysis? If I was to put pure zinc into acetic acid, what would happen to the zinc? Why? What is the effect of stirring on the ...
Why does phosphoric acid remove rust? Why is an amide less reactive to nucleophilic acyl substitution than an acid chloride? Why is glacial acetic acid designated as glacial? Why is it important to control soil acidity? Why is mercuric chloride used as a component of antiseptic? Why does 'lik...
Why is glacial acetic acid designated as glacial? What is the purpose of water in chromatography? Why is forensic chemistry primarily analytical chemistry? Why does sodium bicarbonate fizz? What is the purpose of preparing a bacterial smear? Why is this important? Why don't we use PT to measu...
Milk from a cow is normally used for making yogurt. It constitutes 80 % of water and also comprises fat, proteins, and carbohydrates. Yogurt serves the role of probiotic, thus essential for the immune system of humans. There is a chance of contamination of bac...
Why does 0.10 M acetic acid exhibit different conductivity from that of glacial acetic acid? Why is HCl called a polar molecule? Explain your reasoning. For the following pair, choose the member with the lower boiling point and explain your reason. C_3H_7OH...